Ransomware Research

BadBlock Ransomware

BadBlock is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on May 1, 2016, this ransomware has been actively targeting systems worldwide.

Quick Facts

Ransomware Family
BadBlock
First Seen
May 1, 2016

How BadBlock Ransomware Works

Targeted Files

Requires C&C (can be launched with FakeNetNG)

Ransom Note and Payment Demands

After encrypting files, BadBlock displays ransom notes demanding payment for file recovery:

fileHelp Decrypt.html

Ransom message:

notes/Help Decrypt.html

Note locations:

EveryFolder
message

Ransom message:

notes/note.txt

Note locations:

Login

Technical Indicators

Associated Executable Files

The following executable files are associated with BadBlock ransomware:

  • BadBlock
  • badransom.ex_
  • badblock.exe
  • 192389573
  • badransom.exe
  • badblock.exe.exe

Elastio Can Help You

Don't let BadBlock ransomware take over your data

Elastio provides advanced ransomware protection and recovery solutions to keep your organization safe.

Learn MoreGet Started

About This Analysis

This BadBlock ransomware analysis is part of Elastio's comprehensive ransomware detection database. Elastio provides advanced ransomware protection and recovery solutions, helping organizations defend against and recover from ransomware attacks like BadBlock.

Last updated: July 30, 2025

Recent Ransomware

Explore other threats in our database

View all ransomware
BadBlock Ransomware - Detectable by Elastio